For the price you are getting them for they are perfect. The only complaints I have is that the arms seem to be really sloppy. I haven’t tried to tightening the screw yet but I would assume that would fix it. Either way not a bit deal unless the screw backs out. Final issue would be when you close them the end of the arm will smack into the inside of the lenses. Again not a big issue long as you are mindful to close them slowly. It would probably take quite awhile for you to actually damage the lenses this way. Good value for money.
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